Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A luminous intensity distribution system having a light-incident surface and a light-emitting surface, and in which, given that with respect to the light-emitting surface the system end through which light is emitted is taken to be frontward, the light-incident surface is arranged rearward of the light-emitting surface when viewed from the frontward end, the luminous intensity distribution system comprising: a first optical element extending in a first direction, and distributing, given that the first direction is taken to be leftward-rightward when viewed frontward-rearward, light having entered the light-incident surface from a right-rear direction and emitting the light through the light-emitting surface toward a right-forward direction when viewed from the frontward end, and distributing light having entered the light-incident surface through a left-rear direction and emitting the light through the light-emitting surface toward a left-forward direction when viewed from the frontward end; and a second optical element extending in the first direction and diffusing light having entered the light-incident surface and emitting the light through the light-emitting surface, wherein the first optical element and the second optical element are arranged in parallel with each other vertically when viewed frontward-rearward.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes: 1) a first optical element, elongated horizontally, that takes light from the right-rear and sends it to the right-front, and light from the left-rear and sends it to the left-front; and 2) a second optical element, also elongated horizontally, that diffuses incoming light. These two elements are arranged vertically, parallel to each other when viewed from the front. The light enters a light-incident surface and exits a light-emitting surface.
2. The luminous intensity distribution system according to claim 1 , wherein the first optical element is a prism array including: a plurality of triangular projections arranged in a line, each having a vertex angle along the light-incident surface side; and a plurality of cylindrical lenses arranged in a line, each forming a bulging shape along the light-emitting surface side, and the second optical element is a light diffuser.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes: 1) a first optical element, elongated horizontally, that takes light from the right-rear and sends it to the right-front, and light from the left-rear and sends it to the left-front; and 2) a second optical element, also elongated horizontally, that diffuses incoming light. These two elements are arranged vertically, parallel to each other when viewed from the front. The first optical element is a prism array, made of triangular ridges and cylindrical lenses. The triangular ridges are arranged in a row along the light-incident surface. The cylindrical lenses bulge outwards along the light-emitting surface. The second optical element is a light diffuser. The light enters a light-incident surface and exits a light-emitting surface.
3. The luminous intensity distribution system according to claim 1 , comprising: a plurality of the first optical elements and a plurality of the second optical elements arranged such that each of the plurality of the first optical elements alternate vertically with each of the plurality of the second optical elements, wherein the vertical dimension of the second optical element is greater than the vertical dimension of the first optical element.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes: 1) a first optical element, elongated horizontally, that takes light from the right-rear and sends it to the right-front, and light from the left-rear and sends it to the left-front; and 2) a second optical element, also elongated horizontally, that diffuses incoming light. There are multiple of both the first and second optical elements, arranged vertically alternating. The second optical element (light diffuser) is taller than the first optical element. The light enters a light-incident surface and exits a light-emitting surface.
4. A stereoscopic image display device configured to display a stereoscopic image, comprising: a right light source configured to supply display light for displaying a right eye image for a stereoscopic image; a left light source configured to supply display light for displaying a left eye image of the stereoscopic image; a luminous intensity distribution system having, given that a front side of the stereoscopic image display device is taken to be frontward, a light-incident surface and a light-emitting surface whose light-emitting side corresponds to the frontward end, the light-incident surface being arranged rearward of the light-emitting surface, the luminous intensity distribution system including a first optical element extending leftward-rightward, and configured to distribute, when viewed from the frontward end, light that has been emitted by the right light source and that has entered the light-incident surface from a right-rear direction, from the light-emitting surface into a right-forward direction and to distribute, when viewed from the frontward end, light that has been emitted by the left light source and that has entered the light-incident surface from a left-rear direction, from the light-emitting surface into a left-forward direction, such that image light of the right eye image and image light of the left eye image construct an image in a first viewing position, and a second optical element extending leftward-rightward, and configured to diffuse light that has been emitted by the right light source and that has entered the light-incident surface and light that has been emitted by the left light source and that has entered the light-incident surface so as to be emitted from the light-emitting surface, such that image light of the right eye image and image light of the left eye image are distributed, the first optical element and the second optical element being vertically arranged with each other; and a display panel configured to control transmission of light from the luminous intensity distribution system, based on the right eye image and the left eye image of the stereoscopic image.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. The system includes: 1) a first optical element (extending horizontally) that directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at a first viewing position; and 2) a second optical element (extending horizontally) that diffuses light from both light sources. The first and second optical elements are arranged vertically. The display panel controls the light based on the right and left eye images.
5. The stereoscopic image display device according to claim 4 , wherein the luminous intensity distribution system includes: a prism array, as the first optical element, including a plurality of triangular projections arranged in a line, each having a vertex angle along a light-incident surface side of the prism array, and a plurality of cylindrical lenses arranged in a line, each forming a bulging shape along a light-emitting surface side of the prism array, and each having a first focal distance and constructing an image in the first viewing position; and a light diffuser, as the second optical element, configured to diffuse light having entered the light-incident surface and emitting the light through the light-emitting surface.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. The system includes: 1) a first optical element (extending horizontally) that directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at a first viewing position; and 2) a second optical element (extending horizontally) that diffuses light from both light sources. The first and second optical elements are arranged vertically. The first optical element is a prism array comprised of triangular projections and cylindrical lenses. The lenses have a focal length that produces the image at the first viewing position. The second optical element is a light diffuser. The display panel controls the light based on the right and left eye images.
6. The stereoscopic image display device according to claim 5 , wherein the right light source includes a first right eye light source used for viewing at a first viewing position and a second right eye light source used for viewing at a second viewing position which is a position other than the first viewing position, the left light source includes a first left eye light source used for viewing at the first viewing position, and a second left eye light source used for viewing at the second viewing position which is a position other than the first viewing position, light supplied by the first right eye light source and light supplied by the first left eye light source enter the prism array, and light supplied by the second right eye light source and light supplied by the second left eye light source enter the light diffuser.
The stereoscopic 3D display device has a right and left light source. The right light source has two components: one for the first viewing position, and another for a second viewing position. The left light source also has corresponding components. The first right and left light source components shine through the prism array, while the second right and left light source components shine through the light diffuser. The prism array includes triangular projections and cylindrical lenses with a given focal length that constructs an image at the first viewing position. The light diffuser diffuses light that enters the light-incident surface and exits the light-emitting surface.
7. The stereoscopic image display device according to claim 6 , further comprising: a controller configured to illuminate the first right eye light source in time-wise alternation with the first left eye light source when a viewer views a stereoscopic image in the first viewing position, and illuminate the second right eye light source simultaneously with the second left eye light source when a viewer views a stereoscopic image at the second viewing position.
The stereoscopic 3D display device has a right and left light source. The right light source has two components: one for the first viewing position, and another for a second viewing position. The left light source also has corresponding components. The first right and left light source components shine through the prism array, while the second right and left light source components shine through the light diffuser. The prism array includes triangular projections and cylindrical lenses with a given focal length that constructs an image at the first viewing position. The light diffuser diffuses light that enters the light-incident surface and exits the light-emitting surface. A controller alternates the first right and left light sources for the first viewing position. The second right and left sources illuminate at the same time when viewing from the second viewing position.
8. The stereoscopic image display device according to claim 7 , wherein the controller simultaneously illuminates the second right eye light source and the second left eye light source when displaying a two-dimensional image.
The stereoscopic 3D display device has a right and left light source. The right light source has two components: one for the first viewing position, and another for a second viewing position. The left light source also has corresponding components. The first right and left light source components shine through the prism array, while the second right and left light source components shine through the light diffuser. The prism array includes triangular projections and cylindrical lenses with a given focal length that constructs an image at the first viewing position. The light diffuser diffuses light that enters the light-incident surface and exits the light-emitting surface. A controller alternates the first right and left light sources for the first viewing position. The second right and left sources illuminate at the same time when viewing from the second viewing position. When displaying a 2D image, the controller illuminates the second right and left light sources simultaneously.
9. The stereoscopic image display device according to claim 4 , comprising: a plurality of the prism arrays and a plurality of the light diffusers, each of the plurality of the prism arrays being arranged in vertical alternation with each of the plurality of the light diffusers, wherein the vertical dimension of the light diffuser is greater than the vertical dimension of the prism array.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. The system includes: 1) a first optical element (extending horizontally) that directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at a first viewing position; and 2) a second optical element (extending horizontally) that diffuses light from both light sources. The first and second optical elements are arranged vertically. There are multiple of the prism arrays and the light diffusers. The light diffusers and prism arrays alternate vertically, and the diffusers are taller than the prism arrays. The display panel controls the light based on the right and left eye images.
10. A luminous intensity distribution system having a light-incident surface and a light-emitting surface, and in which, given that with respect to the light-emitting surface the system end through which light is emitted is taken to be frontward, the light-incident surface is arranged rearward of the light-emitting surface when viewed from the frontward end, the luminous intensity distribution system comprising: a plurality of types of optical elements with different respective construct-image positions, each of the plurality of types of optical elements extending in a first direction, and distributing, given that the first direction is taken to be leftward-rightward when viewed frontward-rearward, light having entered the light-incident surface from a right-rear direction and emitting the light through the light-emitting surface toward a right-forward direction when viewed from the frontward end, and distributing light having entered the light-incident surface from a left-rear direction and emitting the light through the light-emitting surface toward a left-forward direction when viewed from the frontward end, the plurality of types of optical elements being arranged in parallel with each other vertically when viewed frontward-rearward.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes multiple types of optical elements, each type creating images at different positions. Each optical element is elongated horizontally and redirects light from the right-rear to the right-front, and from the left-rear to the left-front. The optical elements are arranged vertically, parallel to each other when viewed from the front. The light enters a light-incident surface and exits a light-emitting surface.
11. The luminous intensity distribution system according to claim 10 , wherein each of the optical elements is a prism array including: a plurality of triangular projections arranged in a line, each having a vertex angle along the light-incident surface side; and a plurality of cylindrical lenses arranged in a line, each forming a bulging shape along the light-emitting surface side.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes multiple types of optical elements, each type creating images at different positions. Each optical element is elongated horizontally and redirects light from the right-rear to the right-front, and from the left-rear to the left-front. The optical elements are arranged vertically, parallel to each other when viewed from the front. Each optical element is a prism array, made of triangular ridges and cylindrical lenses. The triangular ridges are arranged in a row along the light-incident surface. The cylindrical lenses bulge outwards along the light-emitting surface. The light enters a light-incident surface and exits a light-emitting surface.
12. The luminous intensity distribution system according to claim 10 , comprising: a plurality of optical elements in two types differing from each other in construct-image position, being arranged in vertical alternation with each other.
The luminous intensity distribution system redirects light. Looking at the front of the system, the light source is behind the system. It includes two types of optical elements, each type creating images at different positions. Each optical element is elongated horizontally and redirects light from the right-rear to the right-front, and from the left-rear to the left-front. The optical elements are arranged vertically, parallel to each other when viewed from the front, and alternate vertically. The light enters a light-incident surface and exits a light-emitting surface.
13. A stereoscopic image display device configured to display a stereoscopic image, comprising: a right light source configured to supply display light for displaying a right eye image for a stereoscopic image; a left light source configured to supply display light for displaying a left eye image of the stereoscopic image; a luminous intensity distribution system having, given that a front side of the stereoscopic image display device is taken to be frontward, a light-incident surface and a light-emitting surface whose light-emitting side corresponds to the frontward end, the light-incident surface being arranged rearward of the light-emitting surface, the luminous intensity distribution system including: a plurality of types of optical elements with different respective construct-image positions, each of the plurality of types of optical element extending leftward-rightward and configured to distribute, when viewed from the frontward end, light that has been emitted by the right light source and that has entered the light-incident surface from a right-rear direction, from the light-emitting surface into a right-forward direction and to distribute, when viewed from the frontward end, light that has been emitted by the left light source and that has entered the light-incident surface from a left-rear direction, from the light-emitting surface into a left-forward direction, such that image light of the right eye image and image light of the left eye image construct an image in a plurality of viewing positions, the plurality of types of optical elements being vertically arranged with each other; and a display panel configured to control transmission of light from the luminous intensity distribution system, based on the right eye image and the left eye image of the stereoscopic image.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. It includes multiple types of optical elements that creates images at different positions. Each optical element (extending horizontally) directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at multiple viewing positions. The optical elements are arranged vertically. The display panel controls the light based on the right and left eye images.
14. The stereoscopic image display device according to claim 13 , wherein the luminous intensity distribution system includes, as the plurality of optical elements, a first prism array including a plurality of triangular projections arranged in a line, each having a vertex angle along a light-incident surface of the first prism array, and a plurality of first cylindrical lenses arranged in a line, each forming a bulging shape along a light-emitting surface of the first prism array, and each having a first focal distance and constructing an image in a first viewing position, and a second prism array including a plurality of triangular projections arranged in a line, each having a vertex angle along the light-incident surface of the second prism array, and a plurality of second cylindrical lenses arranged in a line, each forming a bulging shape along the light-emitting surface of the second prism array, and each having a second focal distance and constructing an image in a second viewing position; and the second focal distance is shorter than the first focal distance.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. It includes multiple types of optical elements that creates images at different positions. Each optical element (extending horizontally) directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at multiple viewing positions. The optical elements are arranged vertically. The optical elements are two prism arrays: a first array with a longer focal length (creating an image at a first viewing position), and a second array with a shorter focal length (creating an image at a second viewing position). Both prism arrays include triangular projections and cylindrical lenses.
15. The stereoscopic image display device according to claim 14 , wherein the first focal distance is a distance from each first cylindrical lens to the vertex of a corresponding one of the triangular projections, and the second focal distance is a distance from each second cylindrical lens to the vertex of a corresponding one of the triangular projections.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. It includes multiple types of optical elements that creates images at different positions. Each optical element (extending horizontally) directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at multiple viewing positions. The optical elements are arranged vertically. The optical elements are two prism arrays: a first array with a longer focal length (creating an image at a first viewing position), and a second array with a shorter focal length (creating an image at a second viewing position). Both prism arrays include triangular projections and cylindrical lenses. The focal length is the distance from the lens to the triangular projection vertex.
16. The stereoscopic image display device according to claim 14 , wherein the right light source includes a first right eye light source used for viewing at a first viewing position and a second right eye light source used for viewing at a second viewing position, the left light source includes a first left eye light source used for viewing at the first viewing position and a second left eye light source used for viewing at the second viewing position, light supplied by the first right eye light source and light supplied by the first left eye light source enter the first prism array, and light supplied by the second right eye light source and light supplied by the second left eye light source enter the second prism array.
The stereoscopic 3D display device has a right and left light source. The right light source has two components: one for the first viewing position, and another for a second viewing position. The left light source also has corresponding components. The first right and left light source components shine through the first prism array, while the second right and left light source components shine through the second prism array. The first prism array includes triangular projections and cylindrical lenses with a longer focal length that constructs an image at the first viewing position. The second prism array includes triangular projections and cylindrical lenses with a shorter focal length for the second viewing position.
17. The stereoscopic image display device according to claim 16 , comprising: a controller configured to illuminate the first right eye light source and the first left eye light source when a viewer views a stereoscopic image in the first viewing position, and illuminate the second right eye light source and the second left eye light source when a viewer views a stereoscopic image in the second viewing position.
The stereoscopic 3D display device has a right and left light source. The right light source has two components: one for the first viewing position, and another for a second viewing position. The left light source also has corresponding components. The first right and left light source components shine through the first prism array, while the second right and left light source components shine through the second prism array. The first prism array includes triangular projections and cylindrical lenses with a longer focal length that constructs an image at the first viewing position. The second prism array includes triangular projections and cylindrical lenses with a shorter focal length for the second viewing position. A controller activates the first right and left sources when viewing from the first position, and activates the second right and left sources for viewing from the second position.
18. The stereoscopic image display device according to claim 14 , comprising: a plurality of the first prism arrays and a plurality of the second prism arrays arranged such that each of the plurality of the first prism arrays alternates vertically with each of the plurality of the second prism arrays.
A stereoscopic 3D display device includes: a right light source for the right eye image, a left light source for the left eye image, a luminous intensity distribution system, and a display panel. The luminous intensity distribution system has a front (light-emitting) and a back (light-incident) surface. It includes multiple types of optical elements that creates images at different positions. Each optical element (extending horizontally) directs light from the right light source (entering from right-rear) to the right-front, and light from the left light source (entering from the left-rear) to the left-front, creating a 3D image at multiple viewing positions. The optical elements are arranged vertically. The optical elements are two prism arrays: a first array with a longer focal length (creating an image at a first viewing position), and a second array with a shorter focal length (creating an image at a second viewing position). Both prism arrays include triangular projections and cylindrical lenses. There are multiple of each prism array that alternates vertically.
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December 23, 2014
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